Surface leveling machine for hard metal bar

The utility model discloses a surface leveling machine for a hard metal bar, which comprises a main body assembly, a surface leveling device and a surface leveling device, the adjusting assembly is arranged on the back plate; the convenient assembly comprises a second sliding block plate, extension plates installed on the two sides of the front face of the second sliding block plate, a guide plate installed between the extension plates, a fourth motor installed on one side of each extension plate, a third lead screw installed on the fourth motor, an adjusting groove formed in a fixing plate, a fixing strip installed in the adjusting groove and a trimming piece connected to the fixing strip. Through mutual cooperation of the convenient assembly and the adjusting assembly, the problems that in the background technology, after a trimming piece of an existing trimming machine is abraded, the trimming piece is inconvenient to replace and maintain, a structure for fixing the trimming piece needs to be dismantled, t